# R/SUMIF.R In ExcelFunctionsR: Imports Excel Functions to R

#### Documented in SUMIF

```# SUMIF Function from Excel
#' Basic SUMIF function from excel
#'
#' It acts similiarly to Excel's SUMIF function. It sums the values where certain criterias are met.
#'
#' @param range Which range should it check the criteria against.
#' @param criteria what criteria should it check in range
#' @param sum_range Which range should it sum
#' @import base
#' @import stringr
#' @export
#' @examples
#' SUMIF(iris\$Species,"virginica",iris\$Sepal.Length)
#' @return In this case we are summing Sepal length of species which are virginica. Function will always return numeric class.

SUMIF <-
function(range,criteria, sum_range) {

if(is.na(as.numeric(criteria)) == FALSE){
c1 <- "=="
} else if (str_detect(criteria,"^>") == TRUE){
c1 <- ">"
criteria <- extract_numeric(criteria)
}  else if (str_detect(criteria,"^<") == TRUE){
c1 <- "<"
criteria <- extract_numeric(criteria)
} else if (str_detect(criteria,"^>=")){
c1 <- ">="
criteria <- extract_numeric(criteria)
} else if (str_detect(criteria,"^<=")){
c1 <- "<="
criteria <- extract_numeric(criteria)
} else if (is.character(criteria) == TRUE){
c1 <- "=="
}

ret <- sum(sum_range[get(c1)(range,criteria)])

ret
}
```

## Try the ExcelFunctionsR package in your browser

Any scripts or data that you put into this service are public.

ExcelFunctionsR documentation built on July 1, 2020, 8:35 p.m.